Application throught run time exception when adding a crystal report

Hi guys i have a major problem with my crystal reports, as soon as i add a crystal report to my app it runs the report and show everything that i want it to show the user. But and this is the big but, this app works on other desktops without the crystal report added ,but as soon as the report is added to the app it throught a run time error!!!. But works fine on my desktop what am i not doing. The dotnet framework is on all the desktops, and i have every reference added, i need the help